42448280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 117504000

約数和(自身を除く): 75055720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 101, 133, 140, 152, 158, 190, 202, 266, 280, 316, 380, 395, 404, 505, 532, 553, 632, 665, 707, 760, 790, 808, 1010, 1064, 1106, 1330, 1414, 1501, 1580, 1919, 2020, 2212, 2660, 2765, 2828, 3002, 3160, 3535, 3838, 4040, 4424, 5320, 5530, 5656, 6004, 7070, 7505, 7676, 7979, 9595, 10507, 11060, 12008, 13433, 14140, 15010, 15352, 15958, 19190, 21014, 22120, 26866, 28280, 30020, 31916, 38380, 39895, 42028, 52535, 53732, 55853, 60040, 63832, 67165, 76760, 79790, 84056, 105070, 107464, 111706, 134330, 151601, 159580, 210140, 223412, 268660, 279265, 303202, 319160, 420280, 446824, 537320, 558530, 606404, 758005, 1061207, 1117060, 1212808, 1516010, 2122414, 2234120, 3032020, 4244828, 5306035, 6064040, 8489656, 10612070, 21224140, 42448280]

約数ペア:

[(1, 42448280), (2, 21224140), (4, 10612070), (5, 8489656), (7, 6064040), (8, 5306035), (10, 4244828), (14, 3032020), (19, 2234120), (20, 2122414), (28, 1516010), (35, 1212808), (38, 1117060), (40, 1061207), (56, 758005), (70, 606404), (76, 558530), (79, 537320), (95, 446824), (101, 420280), (133, 319160), (140, 303202), (152, 279265), (158, 268660), (190, 223412), (202, 210140), (266, 159580), (280, 151601), (316, 134330), (380, 111706), (395, 107464), (404, 105070), (505, 84056), (532, 79790), (553, 76760), (632, 67165), (665, 63832), (707, 60040), (760, 55853), (790, 53732), (808, 52535), (1010, 42028), (1064, 39895), (1106, 38380), (1330, 31916), (1414, 30020), (1501, 28280), (1580, 26866), (1919, 22120), (2020, 21014), (2212, 19190), (2660, 15958), (2765, 15352), (2828, 15010), (3002, 14140), (3160, 13433), (3535, 12008), (3838, 11060), (4040, 10507), (4424, 9595), (5320, 7979), (5530, 7676), (5656, 7505), (6004, 7070)]